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mean kinetic temperature calculation excel sheet

Calculating the Mean Kinetic Temperature (MKT) in an Excel sheet involves several steps, as it requires taking temperature measurements over a specific period and then applying a formula to compute the MKT. The MKT is often used in the pharmaceutical and food industries to assess the cumulative thermal stress on products that may experience temperature variations over time.

Here’s how you can create an Excel sheet to calculate MKT:

Step 1: Data Collection

Collect temperature data over a specific period. You will need a series of temperature readings taken at regular intervals (e.g., every hour) for each location or product you are assessing. Organize this data in columns.

Here’s an example of how your data might look:

Time Location A (°C) Location B (°C)
00:00:00 25.5 26.2
01:00:00 26.0 26.5
02:00:00 26.5 27.0

Step 2: Calculate MKT for Each Location

In a new column, calculate the MKT for each location using the Arrhenius equation:

MKT = Σ(10^((T-25)/10))/n

  • Σ: Summation symbol, you will sum all the values for the time period.
  • T: Temperature in degrees Celsius at each time point.
  • n: Number of time points.

Here’s an example formula in Excel for calculating MKT for Location A at a specific time point:


This formula calculates the MKT for Location A based on the data in columns B2 to B100.

Step 3: Calculate the Overall MKT

In a new cell, calculate the overall MKT by averaging the MKT values for all locations or products. You can use the AVERAGE function to do this.


This formula calculates the average MKT for all locations using the MKT values calculated in the previous step (column C in this example).

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Step 4: Interpretation

The result will be your Mean Kinetic Temperature (MKT) for the given period. It provides an estimate of the equivalent constant temperature that would cause the same thermal degradation as the actual temperature profile.

Make sure to adapt the formulas and data ranges to match your specific dataset and requirements. Additionally, consider adding error checking and validation to ensure the accuracy of your calculations.


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